Crested Partridge vs Caspian Snowcock
Rollulus rouloul ile kıyaslandığında Tetraogallus caspius
Side-by-Side Comparison
| Özellik | Crested Partridge | Caspian Snowcock |
|---|---|---|
| Bilimsel Ad | Rollulus rouloul | Tetraogallus caspius |
| Takım | Galliformes | Galliformes |
| Familya | Phasianidae | Phasianidae |
| Koruma Durumu | Vulnerable | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 27,2 cm (10.7 in) | 56,7 cm (22.3 in) |
| Ağırlık | 250,5 g (8.84 oz) | 2332,0 g (82.26 oz) |
| Beslenme | Forages on floor of Southeast Asian lowland rainforests for seeds, fallen fruits, and invertebrates. Scratches … | Eats alpine grasses, seeds, shoots, and berries; digs for roots and bulbs on rocky Caspian-region … |
| Kuluçka Büyüklüğü | 4-6 | 5-9 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Crested Partridge
High-pitched, thin whistled 'seee' repeated persistently; metallic and insect-like. Males call from forest floor, rarely seen. Alarm is an explosive low grunt followed by rapid wing beats.
Caspian Snowcock
Loud, whistled 'wheee-WHI-oo' series carrying across Iranian alpine plateaus; rich, melodic quality. Large size gives call fuller resonance. Alarm is rapid loud barking. Flocks call together at dawn.
Geographic Range & Migration
Crested Partridge
Resident in lowland and foothill rainforest of Myanmar, Thailand, Malaysia, Sumatra, and Borneo. Found below 1,500 m.
Caspian Snowcock
Resident of rocky alpine and subalpine terrain from the Alborz Mountains (Iran) through the Zagros and Armenia to eastern Turkey, at 2,000–4,000 m.
Koruma Durumu
Crested Partridge
Caspian Snowcock
How to Tell Them Apart
Crested Partridge
Male is dark glossy green-black with vivid red-crimson erectile crest; red orbital skin; chestnut wings. Female is entirely bright emerald green with brown wings, red legs, and grey head; among …
Caspian Snowcock
Grey-brown above with pale buff streaking; white underparts with dark flank streaks and rufous lateral neck patches; white outer tail feathers; whitish face; orange-red bill and legs. Closely resembles Himalayan …
About These Birds
Crested Partridge
A small partridge (~250 g) of family Phasianidae, males with vivid crimson crest and iridescent green plumage. Found in lowland tropical rainforests of Southeast Asia including Thailand, Malaysia, Sumatra, and Borneo. Forages on the forest floor for fallen seeds, fruits, and invertebrates. Vulnerable; dependent on primary lowland forest, heavily impacted by deforestation and palm oil expansion.
Caspian Snowcock
A large Phasianidae snowcock (~2.33 kg) of high rocky mountains in Turkey, Iran, and the Zagros and Elburz ranges. Grey-brown with chestnut streaking; whiter below. Inhabits steep scree and alpine meadow above 2,500 m. Feeds on grasses, roots, and invertebrates. Strong flier when alarmed. Least Concern.